                   body {
                       background: url(背景.jpg);
                       /* no-repeat center center; */
                       background-size: cover;
                       background-attachment: fixed;
                       background-color: white;
                   }
                   
                   a {
                       text-decoration: none;
                   }
                   
                   .BJ {
                       width: 100% cellspacing：0 align：center
                   }
                   
                   .BJ,
                   .BJ td {
                       text-align: center;
                   }
                   
                   .imgPlace {
                       position: relative;
                       top: -800px;
                       left: 1185px;
                   }
                   
                   h1,
                   h2,
                   h3,
                   h4 {
                       text-align: center;
                   }
                   
                   h1 {
                       color: #ec2727;
                   }
                   
                   .ziti {
                       font-family: Arial, Helvetica, sans-serif;
                       font: 30px "隶书";
                       color: #87CEFA;
                   }